a = true
print a
_b = false

tab = [1,2,3]
tab2 = [[1,2,3],4]
c = tab[2]



if ( 1 == 1 ) { print "ok!!!" }

	print "1"
if ( !a ) { print a
          print _b
         print "it works" }
	
	print "2"
if ( _b ) { 
print "1This expr shouldn't be displayed !" 
} elsif (a) 
{ print "1should display that"

}

if ( _b ) { print "2This expr shouldn't be displayed !" } elsif (false) { print "2This expr shouldn't be displayed !" } else { print "2should display that !"}


print tab
print tab[1]

c = tab[2]
print c

d = tab2[1]

e = tab

print d
print e

a = ! a

y = 7
print "y = ",y
y = 9
print "y = ", y
y = y + 2
print "y = ", y

tab[1] = 8.5
print tab
print a
g= 5+5
print g
var = g ** 2
print var


def double (a)
	d = a * 2.0
	print "-"
	return a * 2.0
end
ok = 1.0 + double (10.0)
print ok
i = 0

while ( i < 5 )
	print i
	i = i+1
end

for n in (0.2..5.5)
do
	print n
end

for n in (10..15)
	
	  
do
	
	  
	print n, " "
end

ABC = 5 - 4
print ABC
#ABC = 4
=begin
function1("y", "e", "s")

print a, c

=end
=begin
=end
